01645nam 2200469Ia 450 991071110600332120180711120950.0GOVPUB-C13-87222b1e02af49c79f3491a971a962c3(CKB)5470000002480956(OCoLC)957470587(OCoLC)995470000002480956(EXLCZ)99547000000248095620160829d1958 ua 0engtxtrdacontentcrdamediacrrdacarrierPerformance tests of a Farr Co. "Roll-Kleen" automatic renewable media air filter /Thomas W. Watson, Henry E. RobinsonGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1958.1 online resourceNBS report ;58271958.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Air filtersTestingAir filtersTestingfastAir filtersTesting.Air filtersTesting.Watson Thomas W203752Robinson Henry E1387968Watson Thomas W203752United States.National Bureau of Standards.NBSNBSOCLCOOCLCFOCLCQBOOK9910711106003321Performance tests of a Farr Co. "Roll-Kleen" automatic renewable media air filter3438617UNINA